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From: Tycho Nightingale <tychon@FreeBSD.org>
Date: Tue, 23 Jun 2020 13:57:53 +0000 (UTC)
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Subject: svn commit: r362540 - head/sys/net
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Author: tychon
Date: Tue Jun 23 13:57:53 2020
New Revision: 362540
URL: https://svnweb.freebsd.org/changeset/base/362540

Log:
  To avoid a startup script race change net.bpf.optimize_writers from
  CTLFLAG_RW to CTLFLAG_RWTUN to allow it to be modified by a loader
  tunable.
  
  Sponsored by:	Dell EMC Isilon

Modified:
  head/sys/net/bpf.c

Modified: head/sys/net/bpf.c
==============================================================================
--- head/sys/net/bpf.c	Tue Jun 23 11:40:11 2020	(r362539)
+++ head/sys/net/bpf.c	Tue Jun 23 13:57:53 2020	(r362540)
@@ -227,7 +227,7 @@ static SYSCTL_NODE(_net_bpf, OID_AUTO, stats, CTLFLAG_
 
 VNET_DEFINE_STATIC(int, bpf_optimize_writers) = 0;
 #define	V_bpf_optimize_writers VNET(bpf_optimize_writers)
-SYSCTL_INT(_net_bpf, OID_AUTO, optimize_writers, CTLFLAG_VNET | CTLFLAG_RW,
+SYSCTL_INT(_net_bpf, OID_AUTO, optimize_writers, CTLFLAG_VNET | CTLFLAG_RWTUN,
     &VNET_NAME(bpf_optimize_writers), 0,
     "Do not send packets until BPF program is set");